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Diffstat (limited to 'openssl/crypto/o_time.c')
| -rw-r--r-- | openssl/crypto/o_time.c | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/openssl/crypto/o_time.c b/openssl/crypto/o_time.c new file mode 100644 index 000000000..e29091d65 --- /dev/null +++ b/openssl/crypto/o_time.c @@ -0,0 +1,217 @@ +/* crypto/o_time.c -*- mode:C; c-file-style: "eay" -*- */ +/* Written by Richard Levitte (richard@levitte.org) for the OpenSSL + * project 2001. + */ +/* ==================================================================== + * Copyright (c) 2001 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * licensing@OpenSSL.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +#include <openssl/e_os2.h> +#include <string.h> +#include "o_time.h" + +#ifdef OPENSSL_SYS_VMS +# include <libdtdef.h> +# include <lib$routines.h> +# include <lnmdef.h> +# include <starlet.h> +# include <descrip.h> +# include <stdlib.h> +#endif + +struct tm *OPENSSL_gmtime(const time_t *timer, struct tm *result) + { + struct tm *ts = NULL; + +#if defined(OPENSSL_THREADS) && !defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_SYS_OS2) && !defined(__CYGWIN32__) && (!defined(OPENSSL_SYS_VMS) || defined(gmtime_r)) && !defined(OPENSSL_SYS_MACOSX) && !defined(OPENSSL_SYS_SUNOS) + /* should return &data, but doesn't on some systems, + so we don't even look at the return value */ + gmtime_r(timer,result); + ts = result; +#elif !defined(OPENSSL_SYS_VMS) + ts = gmtime(timer); + if (ts == NULL) + return NULL; + + memcpy(result, ts, sizeof(struct tm)); + ts = result; +#endif +#ifdef OPENSSL_SYS_VMS + if (ts == NULL) + { + static $DESCRIPTOR(tabnam,"LNM$DCL_LOGICAL"); + static $DESCRIPTOR(lognam,"SYS$TIMEZONE_DIFFERENTIAL"); + char logvalue[256]; + unsigned int reslen = 0; + struct { + short buflen; + short code; + void *bufaddr; + unsigned int *reslen; + } itemlist[] = { + { 0, LNM$_STRING, 0, 0 }, + { 0, 0, 0, 0 }, + }; + int status; + time_t t; + + /* Get the value for SYS$TIMEZONE_DIFFERENTIAL */ + itemlist[0].buflen = sizeof(logvalue); + itemlist[0].bufaddr = logvalue; + itemlist[0].reslen = &reslen; + status = sys$trnlnm(0, &tabnam, &lognam, 0, itemlist); + if (!(status & 1)) + return NULL; + logvalue[reslen] = '\0'; + + t = *timer; + +/* The following is extracted from the DEC C header time.h */ +/* +** Beginning in OpenVMS Version 7.0 mktime, time, ctime, strftime +** have two implementations. One implementation is provided +** for compatibility and deals with time in terms of local time, +** the other __utc_* deals with time in terms of UTC. +*/ +/* We use the same conditions as in said time.h to check if we should + assume that t contains local time (and should therefore be adjusted) + or UTC (and should therefore be left untouched). */ +#if __CRTL_VER < 70000000 || defined _VMS_V6_SOURCE + /* Get the numerical value of the equivalence string */ + status = atoi(logvalue); + + /* and use it to move time to GMT */ + t -= status; +#endif + + /* then convert the result to the time structure */ + + /* Since there was no gmtime_r() to do this stuff for us, + we have to do it the hard way. */ + { + /* The VMS epoch is the astronomical Smithsonian date, + if I remember correctly, which is November 17, 1858. + Furthermore, time is measure in thenths of microseconds + and stored in quadwords (64 bit integers). unix_epoch + below is January 1st 1970 expressed as a VMS time. The + following code was used to get this number: + + #include <stdio.h> + #include <stdlib.h> + #include <lib$routines.h> + #include <starlet.h> + + main() + { + unsigned long systime[2]; + unsigned short epoch_values[7] = + { 1970, 1, 1, 0, 0, 0, 0 }; + + lib$cvt_vectim(epoch_values, systime); + + printf("%u %u", systime[0], systime[1]); + } + */ + unsigned long unix_epoch[2] = { 1273708544, 8164711 }; + unsigned long deltatime[2]; + unsigned long systime[2]; + struct vms_vectime + { + short year, month, day, hour, minute, second, + centi_second; + } time_values; + long operation; + + /* Turn the number of seconds since January 1st 1970 to + an internal delta time. + Note that lib$cvt_to_internal_time() will assume + that t is signed, and will therefore break on 32-bit + systems some time in 2038. + */ + operation = LIB$K_DELTA_SECONDS; + status = lib$cvt_to_internal_time(&operation, + &t, deltatime); + + /* Add the delta time with the Unix epoch and we have + the current UTC time in internal format */ + status = lib$add_times(unix_epoch, deltatime, systime); + + /* Turn the internal time into a time vector */ + status = sys$numtim(&time_values, systime); + + /* Fill in the struct tm with the result */ + result->tm_sec = time_values.second; + result->tm_min = time_values.minute; + result->tm_hour = time_values.hour; + result->tm_mday = time_values.day; + result->tm_mon = time_values.month - 1; + result->tm_year = time_values.year - 1900; + + operation = LIB$K_DAY_OF_WEEK; + status = lib$cvt_from_internal_time(&operation, + &result->tm_wday, systime); + result->tm_wday %= 7; + + operation = LIB$K_DAY_OF_YEAR; + status = lib$cvt_from_internal_time(&operation, + &result->tm_yday, systime); + result->tm_yday--; + + result->tm_isdst = 0; /* There's no way to know... */ + + ts = result; + } + } +#endif + return ts; + } |